/*----------------------------------------------------------------------------
 * Tencent is pleased to support the open source community by making TencentOS
 * available.
 *
 * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
 * If you have downloaded a copy of the TencentOS binary from Tencent, please
 * note that the TencentOS binary is licensed under the BSD 3-Clause License.
 *
 * If you have downloaded a copy of the TencentOS source code from Tencent,
 * please note that TencentOS source code is licensed under the BSD 3-Clause
 * License, except for the third-party components listed below which are
 * subject to different license terms. Your integration of TencentOS into your
 * own projects may require compliance with the BSD 3-Clause License, as well
 * as the other licenses applicable to the third-party components included
 * within TencentOS.
 *---------------------------------------------------------------------------*/

#include "tos_k.h"

__API__ k_tick_t tos_systick_get(void)
{
	TOS_CPU_CPSR_ALLOC();
	k_tick_t tick;

	TOS_CPU_INT_DISABLE()
	;
	tick = k_tick_count;
	TOS_CPU_INT_ENABLE()
	;
	return tick;
}

__API__ void tos_systick_set(k_tick_t tick)
{
	TOS_CPU_CPSR_ALLOC();

	TOS_CPU_INT_DISABLE()
	;
	k_tick_count = tick;
	TOS_CPU_INT_ENABLE()
	;
}

__API__ k_time_t tos_tick2millisec(k_tick_t tick)
{
	return (k_time_t) (tick
			* (K_TIME_MILLISEC_PER_SEC / TOS_CFG_CPU_TICK_PER_SECOND));
}

__API__ k_tick_t tos_millisec2tick(k_time_t ms)
{
	return (k_tick_t) (ms
			* (TOS_CFG_CPU_TICK_PER_SECOND / K_TIME_MILLISEC_PER_SEC));
}

__API__ k_err_t tos_sleep_ms(k_time_t ms)
{
	return tos_task_delay(tos_millisec2tick(ms));
}

__STATIC_INLINE__ k_tick_t time_hmsm2tick(k_time_t hour, k_time_t minute,
		k_time_t second, k_time_t millisec)
{
	return ((k_tick_t) hour * (k_tick_t) 3600u
			+ (k_tick_t) minute * (k_tick_t) 60u + (k_tick_t) second)
			* TOS_CFG_CPU_TICK_PER_SECOND
			+ (TOS_CFG_CPU_TICK_PER_SECOND
					* ((k_tick_t) millisec
							+ (k_tick_t) 500u / TOS_CFG_CPU_TICK_PER_SECOND))
					/ (k_tick_t) 1000u;
}

__API__ k_err_t tos_sleep_hmsm(k_time_t hour, k_time_t minute, k_time_t second,
		k_time_t millisec)
{
	return tos_task_delay(time_hmsm2tick(hour, minute, second, millisec));
}

